Manky's XS650 Yamaha

[stinkey]

Have you tried YOUTUBE for electrical stuff regards your bike mate?

[Manky Monkey]

No, hadn't thought of that. I'll have a look.

[minimutly]

Have you got the right clutch lever, not a mismatched one? Ie its got extra leverage but less travel?

[morrag]

I thought something like this might quieten things down, but with the pipe sixe you have it could be a problem to fit....Morrag

[Manky Monkey]

Aah, now they're interesting. Is that an Ebay ad? The pipes are either 1 1/2" or 1 3/8" bore, (can't remember which off the top of my head).
The clutch lever's a pattern one, but I guess I could just pull on the cable to see if the plates travel further.

[tom_prs]

I think that the standard xs charging systems are known for being rather useless. You can replace it with a Yamaha RD400/LC350 PMA but it needs an adaptor plate. Might be worth considering a PMA instead of the brushes if this is a long term bike, less maintenance and improved reliability?

[Archie]

Yep Xs charging systems are crud. Pma is the way forward with them


http://www.smedspeed.co.uk/pmakit.html

[morrag]

Mr M the baffles I believe I have seen on Demon Tweeks, and as regards your electrics, the brushed system on the Yamaha isn't crap, but is less efficient than a permanent magnet system, however, if you are only running basic system loads, and you don't mind changing a set of brushes, a simple job, every couple of 3 years, then the original system should, will, suffice, particularly as you no longer have an electric boot! Just get someone who knows the system, or who is familiar with this type of charging arrangement, to check the output before and after the reg./rectifier unit, and that will reveal the state of play, Morrag.

[Tony oily bike]

I put this on "The Black Pig" thread 20/10/2016.

Certainly worth considering as the bikes a keeper



Suggest you have a think about going down the Permanent Magnet Alternator route.

Its an upgrade using more reliable, and potentially more easily available, components.

http://www.xs650.com/threads/how-to-permanent-magnet-alternator-swap-also-known-as-the-banshee-swap.5536/

http://www.smedspeed.co.uk/pmakit.html

http://xs650temp.proboards.com/thread/11096

[lunatic]

For the exhaust baffles, stainless perforated tube half the diameter of the pipe, make a collar for them and fit, tune with fibreglass silencer wadding. Seeing as that's how oem exhausts are made I'd try that. Make them as long as possible then trim them until you find a noise level you like. Just like stumpy did on twisteds trike.

[lunatic]

Also, does the master cylinder really need changing, if it's only a problem loading it in a van? It's not like it's going to catch when you're actually riding it is it?

[Manky Monkey]

No, but it'd also free up space in the electrics box as the remote reservoir's in there. I'll have to repaint part of the hardtail to modify the caliper anchor arm, so thought I'd do it at the same time. The Harley style units are just a nice, self contained little thing.
I'll try something like perforated tube or Morrag's corkscrew type baffles first before cutting into the pipes.

[lunatic]

Fair enough. For the exhaust it's all about disrupting the gas flow. Even a series of bends will help, obviously not on this, even cutting the perforated tube into smaller sections and staggering it should work.

[morrag]

A perforated tube may be a simpler option in fact, so long as the desired level of "Quietness!" is achieved, re. the generator, I still run a mid 60's Triumph, which has a single phase, 6v. alternator, albeit of perm. mag. type, but with inferior output to your system, and its adequate. As stated, if you had a starter motor then it might be a little different. The modified route is superior, output wise, but if that level of output aint required why bother, and hey, we all used Dynamos with brushes for many, many, years, so.... ..Morrag

[Tony oily bike]

Some light reading if you've a spare hour or ten.............

http://www.xs650.com/search/2558977/?q=fitting+clutch+plates&o=relevance&c[node]=2


Worth noting its recommended practice to soak the clutch plates overnight before fitment.


Quietening the bike - "Splicing a stainless dual entry/exit silencer into the middle seems to be the only real option, but I've no idea how much difference it'll make."
Siamesssing (if its a real word) the pipes is certainly a method of making it a little less noisy. It should increase the toque a little bit too. (I used to run a 650 Triumph hillclimber with a siamese system, merging close the head into a single pipe, and it was surprisingly quite)

Loads of PMA info -  http://www.xs650.com/search/2559182/?q=pma&o=relevance

PMA video explantion  http://www.tcbroschoppers.com/xs650-permanent-magnet-alternator-kit-pma-fits-all-years.html

Same video   https://www.youtube.com/watch?v=CTZ53GpQ15w

A complete off-the-shelf kit (in the USA) http://www.tcbroschoppers.com/xs650-permanent-magnet-alternator-kit-pma-fits-all-years.html

See ebay   http://www.ebay.co.uk/itm/Yamaha-XS650-Permanent-Magnet-Alternator-Kit-PMA-Hardtail-Chopper-Bobber-xs-650-/351777110439?hash=item51e78cb9a7:g:Sh4AAOSwo0JWOY-J
which is about £300 delivered, but HMRC will require tax to be paid, so that'll prob take it to around £350 and there's still capacitor to buy.............